Analysis

  • max time kernel
    120s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-11-2024 03:00

General

  • Target

    78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe

  • Size

    859KB

  • MD5

    851e7869e5438362cd42a2ee85a75d31

  • SHA1

    1af1d8cd2a9be17e6c8404034d43018704aad87e

  • SHA256

    78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b

  • SHA512

    ab05303a50e663b507358eb61e74ee09dd6127a6287f1d66a1954ab6312b3a04d5a1a36dc421f1e771b456d544e5e3f9f92213ad1b828e820da570a9a238f894

  • SSDEEP

    24576:G1E1FidojNJ+fQhsTlGrddL8x/LpuOu5pjK/OMZ:G1E1Fi+v7Lrm/y5N

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe
    "C:\Users\Admin\AppData\Local\Temp\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4432
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2100
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IozAFiLzFrQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2956
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IozAFiLzFrQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB71B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2356
    • C:\Users\Admin\AppData\Local\Temp\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe
      "C:\Users\Admin\AppData\Local\Temp\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe"
      2⤵
        PID:2828
      • C:\Users\Admin\AppData\Local\Temp\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe
        "C:\Users\Admin\AppData\Local\Temp\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:720

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      11d98f327c9b069af6457b9a996b2886

      SHA1

      0937baf699efa4953ed97b107dfd167e2b7c2993

      SHA256

      d608f4b630284b9adb79a18f1ceee09dc4b529881139ff364c9f830419e4dbe3

      SHA512

      bed938a2536a8d4d18e55edfdeb81d5a2f7c8c6878193f64a9a28f53762862dfd5a93121c752e2dd288ce050384499f5d1e7a488c2e7625138a063bfbb909671

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_j2fs4u2n.k3u.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpB71B.tmp

      Filesize

      1KB

      MD5

      e8cb32b583e63dd46444870d846ae444

      SHA1

      5013df8a210943138ea529460c9d4691b543a256

      SHA256

      7feb8508c2026d5dea1916ec0d2c7e8e7e27b606de3ed1e8fa1234512128728b

      SHA512

      af8217bbc306a8e2d6448016c43d5f9db5f4316a1f4704720cfaff4c24a05a0526da1f7a5086577c8b9dc188cbe2f60c8469f8d7c4f2b6168a485467bab4a7d2

    • memory/720-91-0x0000000006CF0000-0x0000000006D40000-memory.dmp

      Filesize

      320KB

    • memory/720-90-0x0000000006E50000-0x0000000007012000-memory.dmp

      Filesize

      1.8MB

    • memory/720-45-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2100-76-0x0000000007360000-0x000000000736A000-memory.dmp

      Filesize

      40KB

    • memory/2100-50-0x0000000006070000-0x00000000060BC000-memory.dmp

      Filesize

      304KB

    • memory/2100-89-0x00000000752E0000-0x0000000075A90000-memory.dmp

      Filesize

      7.7MB

    • memory/2100-15-0x00000000026A0000-0x00000000026D6000-memory.dmp

      Filesize

      216KB

    • memory/2100-17-0x00000000050A0000-0x00000000056C8000-memory.dmp

      Filesize

      6.2MB

    • memory/2100-16-0x00000000752E0000-0x0000000075A90000-memory.dmp

      Filesize

      7.7MB

    • memory/2100-18-0x00000000752E0000-0x0000000075A90000-memory.dmp

      Filesize

      7.7MB

    • memory/2100-19-0x0000000005840000-0x0000000005862000-memory.dmp

      Filesize

      136KB

    • memory/2100-82-0x0000000007610000-0x0000000007618000-memory.dmp

      Filesize

      32KB

    • memory/2100-27-0x00000000059C0000-0x0000000005A26000-memory.dmp

      Filesize

      408KB

    • memory/2100-26-0x00000000058E0000-0x0000000005946000-memory.dmp

      Filesize

      408KB

    • memory/2100-33-0x0000000005B30000-0x0000000005E84000-memory.dmp

      Filesize

      3.3MB

    • memory/2100-81-0x0000000007630000-0x000000000764A000-memory.dmp

      Filesize

      104KB

    • memory/2100-80-0x0000000007530000-0x0000000007544000-memory.dmp

      Filesize

      80KB

    • memory/2100-77-0x0000000007570000-0x0000000007606000-memory.dmp

      Filesize

      600KB

    • memory/2100-73-0x00000000071C0000-0x0000000007263000-memory.dmp

      Filesize

      652KB

    • memory/2100-51-0x0000000007180000-0x00000000071B2000-memory.dmp

      Filesize

      200KB

    • memory/2100-52-0x0000000071870000-0x00000000718BC000-memory.dmp

      Filesize

      304KB

    • memory/2100-71-0x00000000065A0000-0x00000000065BE000-memory.dmp

      Filesize

      120KB

    • memory/2100-49-0x0000000005FC0000-0x0000000005FDE000-memory.dmp

      Filesize

      120KB

    • memory/2956-53-0x0000000071870000-0x00000000718BC000-memory.dmp

      Filesize

      304KB

    • memory/2956-79-0x0000000007C80000-0x0000000007C8E000-memory.dmp

      Filesize

      56KB

    • memory/2956-88-0x00000000752E0000-0x0000000075A90000-memory.dmp

      Filesize

      7.7MB

    • memory/2956-35-0x00000000752E0000-0x0000000075A90000-memory.dmp

      Filesize

      7.7MB

    • memory/2956-20-0x00000000752E0000-0x0000000075A90000-memory.dmp

      Filesize

      7.7MB

    • memory/2956-34-0x00000000752E0000-0x0000000075A90000-memory.dmp

      Filesize

      7.7MB

    • memory/2956-74-0x0000000008090000-0x000000000870A000-memory.dmp

      Filesize

      6.5MB

    • memory/2956-75-0x0000000007A50000-0x0000000007A6A000-memory.dmp

      Filesize

      104KB

    • memory/2956-78-0x0000000007C50000-0x0000000007C61000-memory.dmp

      Filesize

      68KB

    • memory/4432-7-0x0000000004E10000-0x0000000004E2C000-memory.dmp

      Filesize

      112KB

    • memory/4432-0-0x00000000752EE000-0x00000000752EF000-memory.dmp

      Filesize

      4KB

    • memory/4432-9-0x00000000752E0000-0x0000000075A90000-memory.dmp

      Filesize

      7.7MB

    • memory/4432-6-0x0000000004E50000-0x0000000004EEC000-memory.dmp

      Filesize

      624KB

    • memory/4432-48-0x00000000752E0000-0x0000000075A90000-memory.dmp

      Filesize

      7.7MB

    • memory/4432-8-0x00000000752EE000-0x00000000752EF000-memory.dmp

      Filesize

      4KB

    • memory/4432-4-0x00000000752E0000-0x0000000075A90000-memory.dmp

      Filesize

      7.7MB

    • memory/4432-3-0x0000000004B60000-0x0000000004BF2000-memory.dmp

      Filesize

      584KB

    • memory/4432-10-0x0000000000BE0000-0x0000000000C6C000-memory.dmp

      Filesize

      560KB

    • memory/4432-5-0x0000000004B50000-0x0000000004B5A000-memory.dmp

      Filesize

      40KB

    • memory/4432-2-0x00000000051F0000-0x0000000005794000-memory.dmp

      Filesize

      5.6MB

    • memory/4432-1-0x00000000001D0000-0x00000000002AC000-memory.dmp

      Filesize

      880KB